View Full Version : jellyfish???

05/12/2011, 07:02 AM
Im pretty sure Jelly fish do not fall under this calagory Im just gonna post it here hoping I get some help. The guy at the fish store tried to sell me a blue bubble jellyfish. Looked really awesome. He said that i was hardy and easy to maintain. So I did some research and I couldnt find anything inparticular on that jellyfish (blue bubble jellyfish) just minor info. Most of the people that had these put them by themselves. My main issue is will they be ok in the tank with my other fishes. He said theyll be ok but i couldnt find anything on anyone that has put one in a community tank. Does anyone have any experience with these types of jellyfish?

05/12/2011, 07:21 AM
Are you sure it wasnt a Blue blubber jelly (Catostylus mosaicus)? Do a search for that, they are quite common. To keep a jellyfish you will need a Kreisel tank or something like this-

</div><object width="425" height="349"><param name="movie" value="http://www.youtube.com/v/3NPBNZ4t3KU?fs=1&amp;hl=en_GB"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/3NPBNZ4t3KU?fs=1&amp;hl=en_GB" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="349"></embed></object><br />

There is a write up on it here-



05/12/2011, 01:00 PM
Your right it is blue blubber jelly, sorry bout that. The guy at the fish store said I could put it in my community tank. I want to but Im really hesitant. I could only find limited info. are you familiar with these jellyfishes by anychance?

This is what the ones at the store looked like just smaller
Thanks for your response!


05/12/2011, 06:25 PM
A jellyfish in a community tank? You mean like a general reef/fish tank?

I would be finding somewhere else to shop if someone in my lFS told me that. Jellies have very little control over which direction they move and their bodies are extremely delicate. Put these to factors together and you realise why they need a special tank.

They will be sucked through any point of suction (powerheads/filter intakes) in you tank with in minutes which will destroy them. Their bodies are so soft even regular contact with a slightly rough surface like a sponge will do considerable damage over time. This rules a tank with live rock out.

With a bit of research it is possible to set up a tank to keep them... its just not easy.

05/13/2011, 04:12 AM
Agreed - don't even try it. The jellie will become a mound of protoplasm goo in a matter of a few minutes with regular pumps/powerheads and overflows.

There are several jellies out there that are fairly easy to maintain, but you really need a kreisel-style tank, as posted above, to maintain them. There are DIY examples of kreisels as well. But, definitely save your money, and don't put them in your community tank - and, consider shopping somewhere else... ;)


05/13/2011, 07:04 AM
Thanks a lot guys for the feed back! Maybe Ill make a specialized tank for a jelly fish one day. I appreciate the info it was a lot of help. Yeah I noticed that these guys just try to sell there product or push it out. Its a hit or miss with the feed back plus there prices arent that great. I cant stand shops cuz you cant tell if there really trying to help or take your money. Its irritating! Just gonna stick with doing my research and know where the best bang for my bucks at.

05/13/2011, 05:19 PM
you might be able to keep an upside down mangrove jellyfish. I believe they are Cassiopa but im not positive.

05/15/2011, 07:31 AM
you might be able to keep an upside down mangrove jellyfish. I believe they are Cassiopa but im not positive.

You can keep these in a community tank, however they are quite fragile and can be torn apart by pwerheads. they are sorta like nems with feeding, they require high lighting for their photosynthetic zooxanthellae, but will except food like small pieces of shrimp. and its Cassiopea so you are very close.

06/03/2011, 04:51 PM
I'm looking into doing this one day.

From my research, don't even bother with any species of jellyfish without a separate, circular, standalone tank. Word is they're one of the hardest things to keep. Most attempts fail after 1-4 weeks. Others have kept them for 6+ months before dying.

The rig Triton posted is sick! I'll keep my eyes and ears open on the results people have from that. If they're positive, I'll probably copy their design and make a larger tank for myself.